Inventor
FURUYAMA TSUTOMU
JP9 patents
⚠️ This page may combine multiple inventors who share the name “FURUYAMA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NHK SPRING CO LTD
7 patentsUS6564606B2May 20, 2003
Manufacturing method and manufacturing apparatus for metallic bellows
NHK SPRING CO LTD17 citations83
US4444036AApr 24, 1984
Method of forming a coil spring
NHK SPRING CO LTD26 citations81
US4715202ADec 29, 1987
Coil-spring winding apparatus
NHK SPRING CO LTD12 citations70
US4996857AMar 5, 1991
Method and an apparatus for manufacturing a metallic bellows
NHK SPRING CO LTD8 citations68
US6871865B2Mar 29, 2005
Hollow stabilizer
NHK SPRING CO LTD3 citations60
US6711927B2Mar 30, 2004
Bending apparatus for a long material
NHK SPRING CO LTD4 citations57
US7188851B2Mar 13, 2007
Stabilizer for vehicle and method for mounting the same
NHK SPRING CO LTD6 citations56